<!DOCTYPE html>
<html>
<head>
    <title>Please Sign In</title>
</head>
<body>
{% if message %}
<p style="color:red">{{ message }}</p>
{% endif %}
<form action="/signin" method="post">
    <legend>Please sign in:</legend>
    <p><input name="username" placeholder="Username" value="{{ username }}"></p>
    <p><input name="password" placeholder="Password" type="password"></p>
    <p>
        <button type="submit">Sign In</button>
    </p>
</form>
</body>
</html>